Finding the Fourth Proportional to 3,635,278.40, 5,017,057.44 and 2,185,446.08
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Solution
The fourth proportional to 3,635,278.40, 5,017,057.44 and 2,185,446.08 is: 3,016,139.98
Step by Step Solution
- Step 1: Write the proportion equation
3,635,278.40 : 5,017,057.44 = 2,185,446.08 : x - Step 2: Convert to fraction form
3,635,278.40/5,017,057.44 = 2,185,446.08/x - Step 3: Cross multiply
3,635,278.40x = 5,017,057.44 × 2,185,446.08 - Step 4: Simplify right side
3,635,278.40x = 10,964,508,515,382.84 - Step 5: Solve for x
x = 10,964,508,515,382.84/3,635,278.40 - Step 6: Final answer
x = 3,016,139.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.